Home / 13,000.56-19,491.30-8,830.20

Finding the Fourth Proportional to 13,000.56, 19,491.30 and 8,830.20

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Solution

The fourth proportional to 13,000.56, 19,491.30 and 8,830.20 is: 13,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.56 : 19,491.30 = 8,830.20 : x
  2. Step 2: Convert to fraction form
    13,000.56/19,491.30 = 8,830.20/x
  3. Step 3: Cross multiply
    13,000.56x = 19,491.30 × 8,830.20
  4. Step 4: Simplify right side
    13,000.56x = 172,112,077.26
  5. Step 5: Solve for x
    x = 172,112,077.26/13,000.56
  6. Step 6: Final answer
    x = 13,238.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.